The puzzle [Photo: Courtesy]A mind-blowing optical illusion has taken the internet by storm - and it has been driving everyone crazy. At first glance, the illusion appears fairly simple, just two squares on a grey background. But one person has a theory as to how the illusion has confused us all. But this is not the first time an optical illusion has baffled people on the web. An illusion featuring two grey dots on a background that goes in a gradient from light grey to black is just as mind-boggling.

Source: Standard Digital August 05, 2020 07:01 UTC